Mr. chan buys a roll of paper towels for $2.19 and a bottle of window cleaner for $2.69 .in his state there is a 4% sales tax on these items. mr. chan also buys a gallon of milk for $3.95. there is no tax for the milk . write a number sentence to find mr. chan's total bill and what is his total bill?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?